Histology and Pathology Flashcards Preview

type 1 - simple squamous epithelium (form majority of the area, but are in lesser amount)
type 2 - cuboidal cells, often in the ange between alveoli with short microvilli and lamellar bodies which secrete surfactant to reduce ST and act as stem cells

2

protective mechanisms of the lungs

- mucus - traps dust and other particles in it
- cilia - move the mucus and trapped particles up to the nasopharynx to be swallowed